package com.wolfcode.framework.aspectj;

import java.util.Collection;
import java.util.Map;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

import org.aspectj.lang.JoinPoint;
import org.aspectj.lang.annotation.AfterReturning;
import org.aspectj.lang.annotation.AfterThrowing;
import org.aspectj.lang.annotation.Aspect;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.stereotype.Component;
import org.springframework.validation.BindingResult;
import org.springframework.web.multipart.MultipartFile;
import org.springframework.web.servlet.HandlerMapping;
import com.alibaba.fastjson2.JSON;
import com.wolfcode.common.annotation.Log;
import com.wolfcode.common.core.domain.model.LoginUser;
import com.wolfcode.common.enums.BusinessStatus;
import com.wolfcode.common.enums.HttpMethod;
import com.wolfcode.common.utils.ServletUtils;
import com.wolfcode.common.utils.StringUtils;
import com.wolfcode.common.utils.ip.IpUtils;
import com.wolfcode.common.utils.SecurityUtils;
import com.wolfcode.framework.manager.AsyncManager;
import com.wolfcode.framework.manager.factory.AsyncFactory;
import com.wolfcode.system.domain.SysOperLog;

/**
 * 操作日志记录处理
 *
 * @author ruoyi
 */
@Aspect
@Component
public class LogAspect {
    private static final Logger log = LoggerFactory.getLogger(LogAspect.class);

    @AfterReturning(pointcut = "@annotation(controllerLog)", returning = "jsonResult")
    public void doAfterReturning(JoinPoint joinPoint, Log controllerLog, Object jsonResult) throws Exception {
        HandlerLog(joinPoint, controllerLog, jsonResult);
    }

    public void HandlerLog(JoinPoint joinPoint, Log controllerLog, Object jsonResult) {
        try {
            // 三个参数：连接点，Log，返回参数
            // 目标：构建SysOperLog
            SysOperLog sysOperLog = new SysOperLog();
            // 1. 其他地方获取
            LoginUser loginUser = SecurityUtils.getLoginUser();
            // operName
            sysOperLog.setOperName(loginUser.getUsername());
            // method:
            String className = joinPoint.getTarget().getClass().getName();
            String methodName = joinPoint.getSignature().getName();
            sysOperLog.setMethod(className + "." + methodName + "()");
            // requestMethod
            sysOperLog.setRequestMethod(ServletUtils.getRequest().getMethod());
            // operUrl
            sysOperLog.setOperUrl(ServletUtils.getRequest().getRequestURI());
            // operIp
            String ipAddr = IpUtils.getIpAddr(ServletUtils.getRequest());
            sysOperLog.setOperIp(ipAddr);
            // status
            sysOperLog.setStatus(BusinessStatus.SUCCESS.ordinal());

            // 2.Log注解可以获取
            sysOperLog.setTitle(controllerLog.title());
            sysOperLog.setBusinessType(controllerLog.businessType().ordinal());
            sysOperLog.setOperatorType(controllerLog.operatorType().ordinal());

            // 是否需要保存request，参数和值
            if (controllerLog.isSaveRequestData()) {
                // 获取参数的信息，传入到数据库中。
                setRequestValue(joinPoint, sysOperLog);
            }
            // 是否需要保存response，参数和值
            if (controllerLog.isSaveResponseData() && StringUtils.isNotNull(jsonResult)) {
                sysOperLog.setJsonResult(StringUtils.substring(JSON.toJSONString(jsonResult), 0, 2000));
            }
            // 3.异步任务里需要远程获取操作地点
            // operLocation
            AsyncManager.me().execute(AsyncFactory.recordOper(sysOperLog));
        } catch (Exception e) {
            // 记录本地异常日志
            log.error("==前置通知异常==");
            log.error("异常信息:{}", e.getMessage());
            e.printStackTrace();
        }
    }

    @AfterThrowing(pointcut = "@annotation(controllerLog)", throwing = "e")
    public void doAfterThrowing(JoinPoint joinPoint, Log controllerLog, Exception e) {
        HandlerLog(joinPoint,controllerLog,e);
    }

    /**
     * 获取请求的参数，放到log中
     *
     * @param operLog 操作日志
     * @throws Exception 异常
     */
    private void setRequestValue(JoinPoint joinPoint, SysOperLog operLog) throws Exception {
        String requestMethod = operLog.getRequestMethod();
        if (HttpMethod.PUT.name().equals(requestMethod) || HttpMethod.POST.name().equals(requestMethod)) {
            String params = argsArrayToString(joinPoint.getArgs());
            operLog.setOperParam(StringUtils.substring(params, 0, 2000));
        } else {
            Map<?, ?> paramsMap = (Map<?, ?>) ServletUtils.getRequest().getAttribute(HandlerMapping.URI_TEMPLATE_VARIABLES_ATTRIBUTE);
            operLog.setOperParam(StringUtils.substring(paramsMap.toString(), 0, 2000));
        }
    }

    /**
     * 参数拼装
     */
    private String argsArrayToString(Object[] paramsArray) {
        String params = "";
        if (paramsArray != null && paramsArray.length > 0) {
            for (Object o : paramsArray) {
                if (StringUtils.isNotNull(o) && !isFilterObject(o)) {
                    try {
                        Object jsonObj = JSON.toJSON(o);
                        params += jsonObj.toString() + " ";
                    } catch (Exception e) {
                    }
                }
            }
        }
        return params.trim();
    }

    /**
     * 判断是否需要过滤的对象。
     *
     * @param o 对象信息。
     * @return 如果是需要过滤的对象，则返回true；否则返回false。
     */
    @SuppressWarnings("rawtypes")
    public boolean isFilterObject(final Object o) {
        Class<?> clazz = o.getClass();
        if (clazz.isArray()) {
            return clazz.getComponentType().isAssignableFrom(MultipartFile.class);
        } else if (Collection.class.isAssignableFrom(clazz)) {
            Collection collection = (Collection) o;
            for (Object value : collection) {
                return value instanceof MultipartFile;
            }
        } else if (Map.class.isAssignableFrom(clazz)) {
            Map map = (Map) o;
            for (Object value : map.entrySet()) {
                Map.Entry entry = (Map.Entry) value;
                return entry.getValue() instanceof MultipartFile;
            }
        }
        return o instanceof MultipartFile || o instanceof HttpServletRequest || o instanceof HttpServletResponse
                || o instanceof BindingResult;
    }
}
